/*
 * Copyright 2021 The Backstage Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Filter, FilterType } from '../filters';
import { useUserEmail, useUserTeamIds } from '../../../../hooks';

export function useFilterProcessor(): (filters: Filter[]) => Filter[] {
  const userEmail = useUserEmail();
  const { teamIds } = useUserTeamIds(userEmail);

  return (filters: Filter[]): Filter[] => {
    for (const filter of filters) {
      switch (filter.type) {
        case FilterType.AssignedToCurrentUser:
        case FilterType.CreatedByCurrentUser:
          filter.email = userEmail;
          break;

        case FilterType.AssignedToCurrentUsersTeams:
        case FilterType.CreatedByCurrentUsersTeams:
          filter.teamIds = teamIds;
          break;

        default:
          break;
      }
    }

    return filters;
  };
}
